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Old 03-17-2014, 06:37 AM   #1
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Furnace Question

We were packing our new 8285IKWS fifth wheel last Friday. It was cool, so to heat the coach up and to see how well it worked, I fired up the furnace. There are four floor vents, two in the living area, one at the top of the stairs next to the bathroom door, and one in the bathroom. The two that are in the living area seem to have very little air flow. The other two have good airflow. After a while, the living area was noticeably cooler than the bathroom and bedroom.

There is also a vent in the basement storage area. I shut that one off but it didn't seem to make a lot of difference for airflow in the living area. There might be another vent under the floor somewhere, but that area is sealed.

Is this common? Is there anything I can do to restrict the air to the bathroom and bedroom areas to help with flow to the living area? Our old travel trailer had pretty even airflow to the front and back of the unit, but the furnace was more centered. The fifth wheel has the furnace more to the front.
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Old 03-17-2014, 09:51 AM   #2
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Mine has a similar situation, but I noticed that it balanced pretty well overall after a cycle of two. Now the bathroom, that gets toasty. I've thought about replacing the vent registers with household ones that can be shut off, they look to be a common size so should work easily.
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Old 03-17-2014, 10:51 AM   #3
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Yes, unfortunately that is common. I suggest that you run the overhead fan on low speed (pushing down)...we find that it balances the heat much better.

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Old 03-17-2014, 11:09 AM   #4
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This is a general heating comment and not directed toward your register issues...

I think this is one of the BEST reasons to invest in "them-thar new fangeled electric fireplaces"

We always viewed the electric fireplaces as a over the top novelty - the one-uppance of the RV world so to speak.

Then we picked up our Rockwood 8289WS...the fireplace was "Standard" with the Diamond package. Oh well....

Then our first night out in below 40º weather. Wow. Game-changer! We canturn on the ceiling fan, leave our electric fireplace on (it has a thermostat AND a remote control that works from the bedroom and the whole unit stays warm! Oh, one night it got into the upper teens and I turned on the furnace but that was almost overkill (but made for a toasty warm bathroom!)

So, for those of you who are in the market for a new unit, do NOT dismiss the electronic fireplaces!

And for those of you who already own a unit without a fireplace - consider one of these:
Amazon.com - DeLonghi EW7707CB Safeheat 1500W ComforTemp Portable Oil-Filled Radiator - Black - Heaters
(BTW I have NO idea why Amazon says this is a $400 heater! We only paid $65 for it in Dec of 2013)
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Old 03-17-2014, 11:17 AM   #5
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Quote:
Originally Posted by HSVBamaBob View Post
This is a general heating comment and not directed toward your register issues...

I think this is one of the BEST reasons to invest in "them-thar new fangeled electric fireplaces"

We always viewed the electric fireplaces as a over the top novelty - the one-uppance of the RV world so to speak.

Then we picked up our Rockwood 8289WS...the fireplace was "Standard" with the Diamond package. Oh well....

Then our first night out in below 40º weather. Wow. Game-changer! We canturn on the ceiling fan, leave our electric fireplace on (it has a thermostat AND a remote control that works from the bedroom and the whole unit stays warm! Oh, one night it got into the upper teens and I turned on the furnace but that was almost overkill (but made for a toasty warm bathroom!)

So, for those of you who are in the market for a new unit, do NOT dismiss the electronic fireplaces!

And for those of you who already own a unit without a fireplace - consider one of these:
Amazon.com - DeLonghi EW7707CB Safeheat 1500W ComforTemp Portable Oil-Filled Radiator - Black - Heaters
(BTW I have NO idea why Amazon says this is a $400 heater! We only paid $65 for it in Dec of 2013)
My unit has that fireplace, I've only used it one night but I had a very similar experience. Glad to hear it wasn't just a set of just right conditions. It doesn't seem to put out an extreme amount of heat but it did a great job of keeping the living area warm overnight. I thought it was just my imagination.
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Old 03-17-2014, 04:15 PM   #6
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[QUOTE=SKnight;564900]Mine has a similar situation, but I noticed that it balanced pretty well overall after a cycle of two. Now the bathroom, that gets toasty. I've thought about replacing the vent registers with household ones that can be shut off, they look to be a common size so should work easily.[/QUOTe

The adjustable household vents are exact replacements for the vents in my 295RST. I replaced all of mine with them. Also, closing them helps to keep dirt out of the ductwork in the summer.
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Old 03-17-2014, 04:33 PM   #7
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Our 8528RKWS was the opposite, little air flow in the bedroom/bath and a lot in the living room/kitchen. I put home style adjustable registers in the living room/kitchen and balanced them out just fine. Also re-sealed the duct work to the floor with the alum heating tape.
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Old 03-17-2014, 07:25 PM   #8
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I have similar issue. I just spent 3 hrs at rockwood/flagstaff today about the heating issue. I have little to no airflow in any vents. Even checked one on the line. We spent one night in it with temps around 40 and froze. Didn't have a fireplace. Dealer had for 3 months this winter and even put in new furnace. Check all duct work. No probs found. I believe that the furnace is insufficient for these size campers. I have a 8528bhws. Furnace manufacture coming Tuesday to see what can be done. Flagstaff has been very helpful but I would just like to figure out the problem soon. Ready to go camping in a week. Will update you when I find out what they say.
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Old 03-17-2014, 07:56 PM   #9
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Quote:
Originally Posted by dirtracing View Post
I have similar issue. I just spent 3 hrs at rockwood/flagstaff today about the heating issue. I have little to no airflow in any vents. Even checked one on the line. We spent one night in it with temps around 40 and froze. Didn't have a fireplace. Dealer had for 3 months this winter and even put in new furnace. Check all duct work. No probs found. I believe that the furnace is insufficient for these size campers. I have a 8528bhws. Furnace manufacture coming Tuesday to see what can be done. Flagstaff has been very helpful but I would just like to figure out the problem soon. Ready to go camping in a week. Will update you when I find out what they say.

Unbelievable. its a friggin squirrel cage blower. It has a fan curve. Sounds like they need to hire an HVAC engineer To take static pressure readings at the fan outlet, and evaluate the duct sizes and outlet areas. It's not rocket science.
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Old 03-17-2014, 08:23 PM   #10
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Just thinking out loud..... Not sure on your units, but have been told (have not taken weather covering off to see for my self) that the duct work under the floors of some units have holes in the piping to keep the under side 'heated'. Could too much air flow be wicked away in the duct work area and by the time the 'heat' force gets to the far ducts, there is just no force left.....

Not sure, just thinking out loud.
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